body, html {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #00008b, #4b0082);
    color: #ffffff;
    overflow-x: hidden;
}

header {
    text-align: center;
    padding: 20px 10px;
    background: linear-gradient(90deg, #0d47a1, #1e88e5);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

header h1 {
    font-size: 2rem;
    margin: 0;
    letter-spacing: 2px;
}

main {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    padding: 20px;
}

aside {
    width: 25%;
    background: rgba(0, 0, 0, 0.6);
    padding: 20px;
    box-sizing: border-box;
    position: sticky;
    top: 20px;
    height: fit-content;
}

aside ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

aside li {
    margin-bottom: 15px;
    transition: transform 0.3s ease-in-out;
}

aside a {
    text-decoration: none;
    color: #bbdefb;
    font-weight: bold;
    display: block;
    padding: 10px;
    border-radius: 5px;
    transition: background 0.3s ease-in-out;
}

aside a:hover {
    background: #1e88e5;
    transform: scale(1.05);
}

section {
    width: 70%;
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

h2, h3 {
    color: #e3f2fd;
    margin-top: 0;
}

p {
    line-height: 1.8;
    margin-bottom: 15px;
}

pre {
    background: rgba(0, 0, 0, 0.8);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}

code {
    color: #bbdefb;
    font-size: 0.9em;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: rgba(0, 0, 0, 0.4);
    color: #ffffff;
}

th, td {
    padding: 10px;
    text-align: left;
    border: 1px solid #bbdefb;
}

th {
    background: #1e88e5;
    font-weight: bold;
}

td {
    background: rgba(255, 255, 255, 0.1);
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 10px 0;
}

@media (max-width: 1024px) {
    aside {
        width: 30%;
    }
    section {
        width: 65%;
    }
}

@media (max-width: 768px) {
    main {
        flex-direction: column;
    }
    aside, section {
        width: 100%;
    }
    aside {
        position: static;
        margin-bottom: 20px;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.5rem;
    }
    section {
        padding: 15px;
    }
}